| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,518 |
| South China Sea Countries | 0 | - | 4.82 | 54,121 |
| African Great Lakes | 0 | - | 4.85 | 54,284 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 128,940 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,718 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,101 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,026 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 76,653 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 57,023 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.85 | 49,174 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,515 |
| Countries with the Most McDonald's Locations | 0 | - | 4.87 | 103,877 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 81,054 |
| Landforms by Country Quiz | 0 | - | 4.54 | 51,289 |
| Capitals by River | 0 | - | 4.64 | 47,232 |
| Countries Closest to the Aegean Sea | 0 | - | 4.63 | 56,257 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,269 |
| Random Capital to Country | 0 | - | 4.99 | 2,380,917 |
| Random Country to Capital | 0 | - | 4.98 | 809,761 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,937,295 |
| Countries with Wild Tigers | 0 | - | 4.95 | 111,981 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,959 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 387,269 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 132,924 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 90,613 |
| Anagram Chain - Countries | 0 | - | 4.98 | 98,417 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 79,316 |
| Countries with Four Letters | 0 | - | 4.99 | 377,131 |
| Rivers of the United States | 0 | - | 4.92 | 57,598 |
| Countries but all Vowels are Changed to O | 0 | - | 4.85 | 36,898 |
| Solve the Secret Country #3 | 0 | - | 4.97 | 46,256 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 48,195 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 39,788 |
| Countries by Milk Production | 0 | - | 4.53 | 38,437 |
| Foods by Country of Origin #1 | 0 | - | 4.42 | 315,706 |
| Countries Which Eat the Most Beef | 0 | - | 4.44 | 47,869 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 63,874 |
| Asian Physical Geography | 0 | - | 4.59 | 33,745 |
| Capital Cities Chain | 0 | - | 4.86 | 72,061 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 79,522 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 158,616 |
| Top Five Countries By Category #3 | 0 | - | 4.86 | 144,042 |
| Country Chain | 0 | - | 4.95 | 179,510 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 72,865 |
| Countries That Eat the Most Pork | 0 | - | 4.22 | 36,594 |
| Countries by Emojis | 0 | - | 4.99 | 208,237 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 46,489 |
| Countries With One Word And Two O's | 0 | - | 4.90 | 35,455 |
| Islands by Country #1 | 0 | - | 4.87 | 164,392 |
| Regions of Countries #1 | 0 | - | 4.96 | 150,342 |
| Regions of Countries #2 | 0 | - | 4.95 | 115,042 |
| Regions of Countries #3 | 0 | - | 4.84 | 84,170 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 183,592 |
| Countries with the Most Sheep | 0 | - | 4.88 | 82,884 |
| Countries that Produce the Most Cheese | 0 | - | 4.72 | 61,741 |
| Name a Valid Country #3 | 0 | - | 4.98 | 211,505 |
| Name a Valid Country #1 | 0 | - | 4.99 | 230,254 |
| Name a Valid Country #2 | 0 | - | 4.98 | 196,674 |
| Name a Valid Country #4 | 0 | - | 4.97 | 203,682 |
| Name a Valid Country #5 | 0 | - | 4.99 | 162,356 |
| Name a Valid Country #6 | 0 | - | 4.92 | 90,026 |
| Foods of the World Quiz | 0 | - | 4.19 | 44,438 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.76 | 33,971 |
| Answers Contain Sea | 0 | - | 3.87 | 27,085 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 40,518 |
| The Only Country ... | 0 | - | 4.88 | 47,362 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 164,707 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 78,918 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.82 | 48,202 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,644 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 87,737 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 286,504 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 209,428 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 200,311 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 170,633 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,259 |
| Top Five Countries by Random Categories | 0 | - | 4.96 | 109,976 |
| Countries that Catch the Most Fish | 0 | - | 4.89 | 102,049 |
| Countries that Eat the Most Meat | 0 | - | 4.22 | 41,471 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 95,940 |
| Countries with the Most Wolves | 0 | - | 4.88 | 79,407 |
| Random Countries by Borders | 0 | - | 4.99 | 67,075 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 331,058 |
| Random Name a Valid Country | 0 | - | 4.99 | 172,270 |
| Geological Extremes Quiz | 0 | - | 4.32 | 38,768 |
| African Physical Geography | 0 | - | 4.49 | 30,105 |
| European Physical Geography | 0 | - | 4.20 | 32,042 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,372 |
| Countries With The Most Bird Species | 0 | - | 4.87 | 20,008 |
| Countries With Two or More Bear Species | 0 | - | 4.89 | 18,972 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,361 |
| Cities with the Most Michelin Stars | 0 | - | 4.30 | 22,965 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 115,923 |
| Random World Capitals on a Map | 0 | - | 4.92 | 115,429 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 67,021 |
| Name a World Capital A-Z | 0 | - | 4.99 | 142,357 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 80,549 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 103,345 |
| National Animals | 0 | - | 4.27 | 84,195 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.92 | 259,171 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.29 | 18,330 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 249,108 |
| Fruits by Picture | 0 | - | 4.19 | 739,364 |
| Word Scramble - Cities #1 | 0 | - | 4.49 | 94,708 |
| Largest World Cities With Five Letters | 0 | - | 4.54 | 60,034 |
| Cities Chain #2 | 0 | - | 4.42 | 53,781 |
| Cities Chain #1 | 0 | - | 4.65 | 63,164 |
| Name Any Valid U.S. City | 0 | - | 4.48 | 35,813 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,424,554 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 881,859 |
| Countries with the Most Wild Elephants | 0 | - | 4.58 | 51,150 |
| Animal Populations of Countries | 0 | - | 4.50 | 40,437 |
| Random Countries with Letters Missing | 0 | - | 4.55 | 72,027 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 62,949 |
| Foods by Country of Origin #2 | 0 | - | 3.66 | 56,651 |
| Top 15 Countries with the Most Cows | 0 | - | 4.66 | 89,699 |
| Oceania Physical Geography | 0 | - | 4.27 | 11,971 |
| South American Physical Geography | 0 | - | 4.56 | 17,358 |
| Longest Rivers in the UK | 0 | - | 4.39 | 13,133 |
| Seas of Europe | 0 | - | 4.34 | 79,990 |
| Name that Nut, Seed, or Bean | 0 | - | 4.65 | 50,791 |
| Boundary Waters | 0 | - | 4.93 | 81,600 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,849 |
| World Capitals Quiz | 0 | - | 5.00 | 4,541,042 |
| Solve the Secret Capital City | 0 | - | 4.78 | 139,844 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,440 |
| Last Names by Country of Origin | 0 | - | 4.55 | 147,442 |
| Countries with NO Snakes | 0 | - | 4.52 | 62,361 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.66 | 71,330 |
| Countries With One Word and Two U's | 0 | - | 4.50 | 44,050 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,130,740 |
| Top 10 Hottest Asian Countries | 0 | - | 4.71 | 46,796 |
| Mountains by Country | 0 | - | 4.72 | 77,299 |
| Islands by Country #2 | 0 | - | 4.79 | 71,336 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,198,014 |
| One-Syllable Countries Quiz | 0 | - | 4.41 | 115,222 |
| Countries with More Cows than People | 0 | - | 4.42 | 47,895 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 23,233 |
| Animal Emojis | 0 | - | 4.75 | 62,205 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,604 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,912 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,050 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,705 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,770 |
| Fictional Cities Quiz | 0 | - | 4.23 | 47,042 |
| Word Scramble - Cities #2 | 0 | - | 4.52 | 23,394 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,397,854 |
| Word Scramble - National Capitals | 0 | - | 4.21 | 424,360 |
| World Cities by Clue Quiz #2 | 0 | - | 4.45 | 47,671 |
| Cities that End in A by Clue | 0 | - | 4.56 | 48,771 |
| Cities that End in O by Clue | 0 | - | 4.54 | 49,313 |
| Cities that End in N by Clue | 0 | - | 4.54 | 43,315 |
| Cities that End in I by Clue | 0 | - | 4.58 | 53,000 |
| Cities that End in S by Clue | 0 | - | 4.58 | 41,420 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,252 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,645 |
| Members of the Arab League | 0 | - | 4.85 | 64,783 |
| Island Countries Quiz | 0 | - | 4.99 | 665,345 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,061 |
| Himalayan Countries | 0 | - | 4.95 | 107,011 |
| Andean Countries | 0 | - | 4.91 | 59,529 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,585 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,329 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,708 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,576 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,885 |
| Danube Countries | 0 | - | 4.96 | 57,016 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,032 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,126 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,125 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,999 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,278 |
| European Landlocked Countries | 0 | - | 4.99 | 136,617 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,404 |
| Countries with the Most Species | 0 | - | 4.99 | 89,720 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,907 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,898 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,193 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,744 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,683 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,961 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,583 |
| Countries in the Alps | 0 | - | 4.84 | 103,387 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,996 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,509 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,998 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,058 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,542 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,026 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,182 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,527 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,549 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,124 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,883 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,844 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,887 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,237 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,392 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,961 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,544 |
